Removal of Methyl Orange from Aqueous Solution by Adsorption onto a Hydrogel Composite

被引：35
作者：
Tang, Yaoji [1 ]
Yang, Rui [1 ]
Ma, Dong [1 ]
Zhou, Bin [1 ]
Zhu, Linhui [1 ]
Yang, Jing [1 ]
机构：
[1] Shandong Univ Sci & Technol, Coll Chem & Environm Engn, Qingdao 266590, Shandong, Peoples R China
来源：
POLYMERS & POLYMER COMPOSITES | 2018年 / 26卷 / 02期
基金：
高等学校博士学科点专项科研基金;
关键词：
Composite; Kaolin; Adsorption; Methyl orange; Removal; DYES; BLUE;
D O I：
10.1177/096739111802600204
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Poly(acrylic acid-co-2-acrylamide-2-methyl-1-propanesulfonic acid)/kaolin hydrogel composite was synthesised using acrylic acid (AA), 2-acrylamide-2-methyl-1-propanesulfonic acid (AMPS) and kaolin (KL) as main materials. The composite was characterised and used to remove methyl orange (MO) from aqueous solutions. Effect of adsorption conditions, including initial concentration of MO, contact time, pH values and ionic strength, on the adsorption capacities was studied. Maximal adsorption capacity was 506 mg/g as the initial concentration of MO was 1000 mg/L. It showed that the adsorption process was spontaneous, and the isotherms and kinetics were in good agreement with the Freundlich isotherm model and pseudo-second-order equation, respectively.
引用
收藏
页码：161 / 168
页数：8
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